the alert log file
the core dump files
the change tracking file
the user session trace files
the database audit trail files
the background process trace files
第1题:
You have joined a new organization as a Database Administrator. The Security Administrator in your organization has kept human errors, such as erroneously dropping users, tables, and important data, to a minimum by carefully granting only the necessary privileges to each user. As a result of several ongoing transactions within your database, you discover that the flashback logs are rapidly increasing in the flash recovery area. To avoid out-of-space errors, you decide to delete the flashback logs from the flash recovery area. How can you delete the flashback logs from the database if your database is up and running?()
第2题:
In the parameter file of your production database, the FAST_START_MTTR_TARGET parameter is set to 300 to optimize instance recovery. While observing the performance of the database during instance recovery, you find that the redo log files are not sized properly to support this activity. Which two sources could you use to determine the optimal size of the redo log files?()
第3题:
What components are present in an ASM instance?()
第4题:
Your production database uses an Automatic Storage Management (ASM) instance to manage its files. You want to add a new disk group to the ASM instance to manage the increased data load. What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users?()
第5题:
In the parameter file of your production database, the CONTROL_FILE_RECORD_KEEP_TIME parameter is set to 31. What would be the impact of this setting on the backup that is being performed by using Recovery Manager (RMAN)?()
第6题:
You work as a database administrator for Certkiller .com. You started the instance using theinit.orafile. You have two control files and three redo log groups in your database. You decided to protect the database against failures by adding one more control file. Which file is the appropriate way to perform this task?()
第7题:
To indicate the location of the auxiliary-instance online redo logs.
To indicate the location of the target database datafiles.
To indicate the location of the auxiliary-instance control file and online redo logs.
To indicate the location of the auxiliary-instance database datafiles.
This is not a valid parameter when duplicating a database.
第8题:
mount the new disk group in the ASM instance
restart the ASM instance and the production database instance
register the new disk groups in the production database instance
restart the ASM instance without restarting the production database instance
include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance
第9题:
mount the new disk group in the ASM instance
restart the ASM instance and the production database instance
register the new disk groups in the production database instance
restart the ASM instance without restarting the production database instance
include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance
第10题:
0
1
NONE
DEFAULT
第11题:
Shut down the instance, copy the control file to the third location and open the database.
Abort the instance, copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile and open the database.
Copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile, restart the instance and open the database.
Shut down the instance, copy the control file to the third location, modify the CONTROL_FILES parameter in theinit.orafile and open the database.
Shut down the instance, startup in the mount state, copy the control file to the third location, modify the CONTROL_FILES parameter ininit.oraand open the database.
第12题:
the alert log file
the core dump files
the change tracking file
the user session trace files
the database audit trail files
the background process trace files
第13题:
You realize that the control file is damaged in your production database.After restoring the control file from autobackup, what is the next step that you must do to proceed with the database recovery?()
第14题:
You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings, you find that the following parameter has been set in the parameter file of the database: REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE?()
第15题:
You are part of the DBA team working for a multinational bank. The team is responsible for performing administrative tasks on the database server located at the home office. The database server at the home office has a production database and a test database named TESTDB. The test database is primarily used for testing database commands and configuration settings befor implementing these settings on the production database. The test database is also used for the development of database applications. You have been asked by the senior DBA to grant the SYSDBA privilege to a new team member, John, so that he can perform some administrative tasks, such as shutdown and startup operations, on TESTDB. You use the password file to configure remote authentication on the TESTDB database. You execute the following statement to grant the SYSDBA privilege to John: SQL>GRANT SYSDBA TO john; However, you receive the following error: ORA-01996: GRANT failed: password file ’c:/oracle/ora9i/dbs/testdb.pwd’ is full Which action should you take to add the user john to the password file without removing any of the existing users?()
第16题:
When issuing the duplicate database command, you use the parameter DB_FILE_NAME_CONVERT. For what purpose do you use this parameter?()
第17题:
What are the prerequisites for enabling Flashback Database? ()
第18题:
LOG_ARCHIVE_DEST was not set in the parameter file.
LOG_ARCHIVE_START was not set in the parameter file.
alter database archivelog; was not executed in MOUNT mode.
LOG_ARCHIVE_MAX processes were not set in the parameter file.
第19题:
to enable operating system authentication for a remote client
to restrict the scope of administration to identical operating systems
to allow the start up and shut down of the database from a remote client
to enable the administration of the operating system from a remote client
to disable the administration of the operating system from a remote client
第20题:
The backup would be retained on the media for 31 days.
The backup would be maintained in the recovery catalog for 31 days.
The backup metadata would be retained in the control file for 31 days.
The backup metadata would be maintained in the recovery catalog for 31 days.
Automatic backups of the control file will be retained in the flash recovery area for 31 days.
第21题:
The database must be started in the MOUNT EXCLUSIVE state.
The database must have multiplexed control files.
The database must be opened by using a text-based parameter file instead of a server parameter file (SPFILE).
The database must be in ARCHIVELOG mode.
The database must be in the NOMOUNT state.
The database must be opened in RESTRICTED mode.
第22题:
Modify the value for the UTL_FILE_DIR parameter in the parameter file
Grant read and write privilege on the operating system path to the database users
Modify the value for the LDAP_DIRECTORY_ACCESS parameter in the parameter file
Modify the value for the PLSQL_NATIVE_LIBRARY_DIR parameter in the parameter file
Create a directory object referring to the operating system path, and grant read and write privilege on the directory object to the database users
第23题:
Setting the FAST_START_MTTR_TARGET to set the mean time to recover
Setting the RECOVERY_PARALLELISM parameter to twice the number of CPUs
Using the DB_RECOVERY_FILE_DEST parameter to set the location for flash recovery area
Using the DB_RECOVERY_FILE_DEST_SIZE parameter to define the disk space limit for the recovery files created in the flash recovery area
第24题:
the V$LOG view
the V$DBFILE view
the V$LOGFILE view
the V$INSTANCE_RECOVERY view
Oracle Enterprise Manager Database Control